hydrogen sulfide

• ChemBase ID: 108501
• Molecular Formular: H2S
• Molecular Mass: 34.08088
• Monoisotopic Mass: 33.98772106
• SMILES: S
• Canonical SMILES: S
• InChI: InChI=1S/H2S/h1H2
• InChIKey: RWSOTUBLDIXVET-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: hydrogen sulfide
• IUPAC Systematic name: Hydrogen sulfide
• IUPAC Traditional name: hydrogen-sulfide; hydrogen sulfide
• Synonyms: Hydrogen sulfide; SULFUR; Dihydrogen monosulfide; Dihydrogen sulfide; Sewer gas; Stink damp; Sulfane; Sulfurated hydrogen; Sulfureted hydrogen; Sulfuretted hydrogen; Sulfur hydride; Hydrosulfuric acid; Hydrogen sulfide; 氢硫酸

Database IDs

• CAS Number: 7783-06-4; 7704-34-9
• EC Number: 231-722-6; 231-977-3
• MDL Number: MFCD00011444
• Beilstein Number: 3535004
• PubChem SID: 24857784; 24888266; 162094316
• PubChem CID: 402
• CHEBI ID: 16136
• CHEMBL: 1200739
• Chemspider ID: 391
• Gmelin ID: 303
• KEGG ID: C00283
• MeSH Name: Hydrogen+sulfide
• Unique Ingredient Identifier: YY9FVM7NSN
• Wikipedia Title: Hydrogen_sulfide

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 1
• LogD (pH = 5.5): -0.06446023
• LogD (pH = 7.4): -0.7196984
• Log P: -0.0375
• Molar Refractivity: 7.3558 cm^3
• Polarizability: 3.7794073 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 4 g dm^-3 (at 20 °C) in water
• Apperance: Colorless gas
• Melting Point: 106.8°C; -82°C; -85 °C(lit.)
• Boiling Point: 444-447°C; -60 °C(lit.); -60°C
• Flash Point: -82.4 °C.
• Auto Ignition Point: 232 °C; 500 °F
• Density: 1.363 g dm^-3
• Refractive Index: 1.000644 (0 °C)
• Vapor Pressure: 1740 kPa (at 21 °C); 252 psi ( 21 °C)
• Vapor Density: 1.19 (15 °C, vs air)
• pKa: 7.0
• pKb: 6.95
• Odor: faint rotten egg
• Heat Capacity: 1.003 J K^-1 g^-1
• Std enthalpy of formation: -21 kJ·mol^-1
• Std molar entropy: 206 J·mol^-1·K^-1

Safety Information

• RTECS: MX1225000; WS4250000
• European Hazard Symbols: Flammable (F); Highly flammable (F+); Nature polluting (N); Highly toxic (T+); Irritant (Xi)
• UN Number: 1053
• German water hazard class: 2
• Hazard Class: 2.3
• Risk Statements: 12-26-50; R:10-36/37/38; R12, R26, R50
• Safety Statements: 9-16-36-38-45-61; S:16-20-25-26-37/39; S1/2, S9, S16, S36, S38, S45, S61
• EU Index: 016-001-00-4
• GHS Pictograms: GHS02; GHS04; GHS06; GHS09
• GHS Signal Word: Danger
• NFPA704:
  

  4

  4

  0
• Explode Limits: 4.3–46%; 6 %
• GHS Hazard statements: H220-H280-H330-H400
• GHS Precautionary statements: P210-P260-P273-P284-P310-P410 + P403
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US); Eyeshields, Faceshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1053 2.3

Product Information

• Purity: ≥99.0%; ≥99.5%; 99.999%
• Grade: purum
• Empirical Formula (Hill Notation): H2S

DETAILS

MP Biomedicals - 05207604

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 295442

Packaging
227 g in steel cylinder
Recommended products
Stainless steel control valves Z146951, Z187224 or either of stainless steel regulators Z148504 and Z148512 and a "T"-purge valve Z151661 is recommended.

Sigma Aldrich - 84742

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~6.8 kg